<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        
    </style>
</head>
<body>
    
</body>
<script>

    var obj1 = {};
    var obj2 = new Object();
    var obj3 = {name:"Admin"};
    var obj4 = {};
    
    var obj5 = (function(o){
        return o;
    })(obj1);
    
    console.log(obj1);
    console.log(obj2);
    console.log(obj3);

    console.log( obj1 === obj2 );
    console.log( obj1 === obj4 );
    console.log( obj1 === obj5 );

</script>
</html>